fixed

adjectives

(of a number) having a fixed and unchanging value
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precisely determined or limited or defined; especially fixed by rule or by a specific and constant cause
"a determinate distance"; "a determinate number"; "determinate variations in animals"
fixed and unmoving
"with eyes set in a fixed glassy stare"; "his bearded face already has a set hollow look"- Connor Cruise O'Brien; "a face rigid with pain"
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securely placed or fastened or set
"a fixed piece of wood"; "a fixed resistor"
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antonym
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securely fixed in place
"the post was still firm after being hit by the car"
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of or having a geosynchronous orbit such that the position in such an orbit is fixed with respect to the earth
"a geostationary satellite"
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of or having an orbit with a fixed period of 24 hours (although the position in the orbit may not be fixed with respect to the earth)
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(of panes of glass) fixed in place by means of thin strips of lead
"leaded windowpanes"
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not capable of being moved
"stationary machinery"
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secured or held in place by tape
"carefully taped pieces of glass served as a windowpane"
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not adjustable
see also
not likely to fail or give way
"the lock was secure"; "a secure foundation"; "a secure hold on her wrist"
incapable of being changed or moved or undone; e.g. "frozen prices"
"living on fixed incomes"
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